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make(1): add more examples to the documentation of ParseModifierPart

This commit is contained in:
rillig 2020-08-31 19:05:53 +00:00
parent a91afb0520
commit 411604f9db
1 changed files with 7 additions and 6 deletions
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13
usr.bin/make/var.c
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@ -1,4 +1,4 @@
/* $NetBSD: var.c,v 1.480 2020/08/31 17:41:38 rillig Exp $ */
/* $NetBSD: var.c,v 1.481 2020/08/31 19:05:53 rillig Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@ -69,14 +69,14 @@
*/
#ifndef MAKE_NATIVE
static char rcsid[] = "$NetBSD: var.c,v 1.480 2020/08/31 17:41:38 rillig Exp $";
static char rcsid[] = "$NetBSD: var.c,v 1.481 2020/08/31 19:05:53 rillig Exp $";
#else
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)var.c 8.3 (Berkeley) 3/19/94";
#else
__RCSID("$NetBSD: var.c,v 1.480 2020/08/31 17:41:38 rillig Exp $");
__RCSID("$NetBSD: var.c,v 1.481 2020/08/31 19:05:53 rillig Exp $");
#endif
#endif /* not lint */
#endif
@ -1624,9 +1624,10 @@ VarUniq(const char *str)
/*-
* Parse a text part of a modifier such as the "from" and "to" in :S/from/to/
* or the :@ modifier, until the next unescaped delimiter. The delimiter, as
* well as the backslash or the dollar, can be escaped with a backslash.
* Parse a part of a modifier such as the "from" and "to" in :S/from/to/
* or the "var" or "replacement" in :@var@replacement+${var}@, up to and
* including the next unescaped delimiter. The delimiter, as well as the
* backslash or the dollar, can be escaped with a backslash.
*
* Return the parsed (and possibly expanded) string, or NULL if no delimiter
* was found. On successful return, the parsing position pp points right